1988•The Anatomical RecordRequires access
The mouse pericardium: It allows passage of particulate matter from the pleural to the pericardial cavity
Yoshifumi Fukuo, Toshio Nakatani, Harumichi Shinohara, Takeshi Matsuda
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Abstract
Frog erythrocytes injected into the pleural cavity of mice reached the pericardial cavity. Pericardial pores that connect the two cavities were the routes of the migration. As soon as 5 minutes after injection, frog erythrocytes were surrounded and phagocytosed by attached macrophages in milky spots facing the pericardial cavity. The pericardial pores may function in an allied self-defense mechanism between the pleural and pericardial cavities in this species.